Is cefadroxime (a cephalosporin antibiotic) effective against Lyme disease?

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Last updated: June 28, 2025View editorial policy

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From the Guidelines

Cefadroxime is not recommended for treating Lyme disease due to its classification as a first-generation cephalosporin, which has been shown to be ineffective against Borrelia burgdorferi 1. The preferred antibiotics for Lyme disease are doxycycline (100 mg twice daily for 10-21 days), amoxicillin (500 mg three times daily for 14-21 days), or cefuroxime axetil (500 mg twice daily for 14-21 days) as stated in the clinical practice guidelines by the Infectious Diseases Society of America 1. Key points to consider in the treatment of Lyme disease include:

  • Early treatment is crucial to prevent progression to more serious complications like arthritis, neurological problems, or cardiac issues.
  • Doxycycline, amoxicillin, and cefuroxime axetil have demonstrated high efficacy in treating erythema migrans and associated symptoms in prospective studies 1.
  • First-generation cephalosporins, such as cephalexin, are inactive in vitro against B. burgdorferi and are ineffective clinically, which implies that cefadroxime, another first-generation cephalosporin, would also be ineffective 1. If you suspect Lyme disease, it is essential to seek medical attention promptly for proper diagnosis and appropriate antibiotic therapy rather than using cefadroxime.

From the Research

Cefadroxime and Lyme Disease

  • Cefadroxime is a cephalosporin antibiotic, but there is limited information available on its effectiveness against Lyme disease.
  • The provided studies do not specifically mention cefadroxime as a treatment for Lyme disease.
  • However, studies have shown that other cephalosporins, such as cefuroxime axetil, are effective against Lyme disease 2, 3, 4, 5.
  • One study found that cephalexin, a first-generation cephalosporin, was not effective in treating Lyme disease and should not be used as a treatment option 6.
  • It is essential to note that cefadroxime is not mentioned in the provided studies, and its effectiveness against Lyme disease is unknown.
  • The recommended treatments for Lyme disease include oral doxycycline, amoxicillin, and cefuroxime axetil, with ceftriaxone recommended for parenteral antibiotic therapy 4.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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